OpenTechnical

OT-2026-000064803

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000064803) never changes.

Identity and time

Publication numberOT-2026-000064803 · never reused
Internal UUID01a0ae8d-debb-7a76-add9-59424e29b7cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064803
StatusPUBLIC

Content hashes

Canonical texte30d476e5071adf5f046b008c9d3886dbf982398ef8789c390b9cf27f4ea110e
Markdown08fa8d915df1a3bb9b72da92b0e12a95a2007d603622e85a63811949f653d424
PDF
Publication page409669eb374c36c074fd01789a2926f3f25ea35afa92d2b56f32cddfde65b8c9
Manifest245cad731d93d406d197ebf2526db4fee7fb0f8ad58a1ff9584f5797a09701f8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureFXZOsHdRQgNnTFGPSrx2qmMJudf+Aoi3mxlojDqMrzN7HksenfiwOH1TzxgOde+Uf4JOCw/VbGhZVRj/dPGpAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:42.262111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064803
observed 409669eb374c36c074fd01789a2926f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.244316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064803/manifest.json
observed 245cad731d93d406d197ebf2526db4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.224955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064803/publication.md
observed 08fa8d915df1a3bb9b72da92b0e12a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.206578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064803/publication.txt
observed e30d476e5071adf5f046b008c9d3886d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.